60 
BULLETIN 824, U. S. DEPARTMENT OF AGRICULTURE. 
Tables 38 and 39 give the results of the analysis of commercial 
insect powders. Those reported in Table 38 are on the samples 
unadulterated with stems, foreign plant material, or coloring matter, 
while those in Table 39 are on samples adulterated with ground 
Pyrethrum stems, sand, chromates, or other materials. 
Table 38. — Analysis of commercial insect powders unadulterated with Pyrethrum stems , 
foreign plant material, or coloring matter. 
Sam- 
ple 
No. 
11157 
11292 
12033 
12034 
12212 
12217 
12273 
12613 
12654 
12657 
12660 
12920 
13202 
13603 
13649 
13695 
13768 2 
13860 
13921 
13923 
13985 
14197 
14370 
14381 
14445 
14523 
14730 
14992 2 
15153 
15224 
15272 
15366 
15730 
15850 
16018 
16019 
16499 
16546 
16611 
16796 
17459 
17619 
17624 
17671 
17672 
18022 
18149 
18151 
18156 
18159 
18383 
18622 
18719 
19187 
19273 
19283 
19320 
19643 
19660 
19661 
19671 
19825 
19833 
20097 
20224 
Made in — 
United States 
....do 
....do 
....do 
England 
United States 
....do 
England 
United States 
...do 
...do 
...do 
...do 
...do 
...do 
Austria 
United States. 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
Austria 
Italy 
United States 
do 
Austria 
United States 
Japan 
do 
England 
United States 
do 
Japan 
do 
United States 
do 
Germany 
do 
England 
United States. 
...do 
...do 
...do 
...do 
...do.... 
...do.... 
Japan 
England. . 
Australia . 
United States 
...do 
...do 
...do 
...do 
...do 
...do 
...do.... 
...do.... 
Nitro- 
gen, N. 
..I 
Per ct. 
1.64 
1.29 
1.55 
1.56 
1.52 
1.56 
1.65 
1.63 
1.26 
1.35 
1.25 
1.54 
1.75 
1.40 
1.53 
1.26 
1.60 
1.61 
1.54 
1.57 
1.23 
1.14 
1.35 
1.72 
1.26 
1.24 
1.66 
1.62 
1.76 
1.49 
1.41 
1.21 
1.29 
1.54 
1.66 
1.72 
1.54 
1.48 
1.30 
1.71 
1.66 
1.82 
1.64 
1.64 
1.53 
1.82 
1.23 
1.80 
1.46 
1.95 
1.27 
1.48 
1.52 
1.72 
1.61 
1.28 
1.24 
1.20 
1.34 
1.56 
1.56 
1.15 
1.28 
1.44 
1.24 
Ash. 
Per ct. 
8.92 
6.73 
8.07 
9.01 
7.67 
7.67 
9.93 
7.54 
7.22 
8.57 
6.49 
7.09 
7.08 
7.70 
7.25 
6.29 
7.37 
7.58 
7.15 
6.93 
6.05 
6.11 
6.90 
7.03 
5.77 
8.14 
7.57 
7.12 
7.83 
7.00 
8.48 
7.09 
6.23 
7.02 
7.19 
6.91 
8.34 
8.Q9 
7.75 
6.69 
6.39 
8.64 
7.74 
7.43 
7.49 
8.23 
7.00 
8.72 
8.20 
8.36 
7.78 
6.91 
7.04 
7.38 
7.83 
6.54 
6.74 
7.73 
6.70 
7.46 
7.42 
7.25 
6.99 
7.67 
Ash in- 
soluble 
inHCl. 
Perct. 
0.84 
.22 
.98 
1.33 
.43 
.95 
.17 
.66 
2.221 
.24 
.33 
.75 
.99 
.89 
.33 
1.47 
.95 
.74 
.68 
.27 
.39 
.64 
.13 
.26 
.97 
.75 
1.00 
.36 
.31 
1.69 
.96 
.39 
.33 
.67 
.49 
2.001 
1.01 
1.64 
.44 
.46 
.15 
.93 
.09 
.09 
1.26 
.12 
.29 
.83 
.36 
1.09 
.56 
.31 
.91 
.95 
.18 
.66 
2.421 
.34 
.43 
.81 
1.59 
.78 
1.22 
.51 
Sam- 
ple 
No. 
20225 
20226 
20250 
20373 
204562 
20462 
20472 
20658 
20771 
21043 
21148 
21371 
21941 
21969 
22180 
22637 
22641 
22701 
22756 
22764 
22804 
22894 
22895 
22968 
22972 
23071 
23246 
23330 
23353 
23403 
23491 
23561 
23647 
23648 
23655 
23727 
23918 
23990 
23949 
23969 
24077 
24083 
24112 
24123 
24124 
24125 
24126 
24127 
24189 
24276 
24277 
24278 
24279 
242S0 
24281 
24282 
24283 
24284 
24285 
24286 
24287 
24301 
24303 
24307 
24314 
Made in- 
United States 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
do 
do 
Japan 
United States 
do 
Japan 
United States 
do 
do 
"Imported".. 
United States 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
Japan 
do 
United States 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
Japan 
United States 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
...do 
Nitro- 
gen, N. 
Ash. 
Per ct. 
Perct. 
1.08 
7.76 
1.13 
6.03 
1.15 
6.15 
1.26 
7.48 
1.30 
5.47 
1.20 
6.79 
1.26 
7.11 
1.18 
6.80 
1.21 
6.98 
1.60 
. 7.29 
1.22 
6.73 
1.78 
7.09 
1.73 
8.06 
1.31 
6.54 
1.66 
7.49 
1.28 
6.69 
1.45 
8.08 
1.73 
8.10 
1.33 
10.00 
1.69 
7.35 
1.47 
10.09 
1.41 
8.71 
1.66 
9.07 
1.30 
6.81 
1.67 
8.90 
1.33 
8.04 
1.65 
8.47 
1.28 
7.09 
1.64 
7.03 
1.42 
7.36 
1.83 
7.26 
2.01 
7.05 
1.85 
7.10 
1.74 
6.89 
1.65 
6.53 
1.48 
8.19 
1.43 
9.67 
1.86 
7.47 
1.77 
6.85 
1.70 
7.06 
1.89 
6.56 
1.84 
7 19 
1.88 
7.61 
1.76 
7.40 
1.77 
7.47 
1.74 
7.47 
1.81 
7.53 
1.65 
6.84 
1.80 
6.90 
1.81 
7.75 
1.73 
7.48 
1.85 
8.23 
1.77 
7.71 
1.68 
7.50 
1.73 
7.72 
1.79 
8.58 
1.70 
7.42 
1.79 
7.37 
1.76 
6.97 
1.87 
8.15 
1.80 
8.19 
1.80 
7.23 
1.74 
8.76 
1.35 
7.98 
1.67 
7.69 
i Contains sand. 
s C. cinerarisefolium grown in California. 
